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Finding the Fourth Proportional to 58,612.84, 80,885.44 and 31,755.26

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Solution

The fourth proportional to 58,612.84, 80,885.44 and 31,755.26 is: 43,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,612.84 : 80,885.44 = 31,755.26 : x
  2. Step 2: Convert to fraction form
    58,612.84/80,885.44 = 31,755.26/x
  3. Step 3: Cross multiply
    58,612.84x = 80,885.44 × 31,755.26
  4. Step 4: Simplify right side
    58,612.84x = 2,568,538,177.41
  5. Step 5: Solve for x
    x = 2,568,538,177.41/58,612.84
  6. Step 6: Final answer
    x = 43,822.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.